Point Forecast: Portsmouth NH
 43.05N 70.78W (Elev. 49 ft)
Last Update: 8:18 am EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)101112131415161718192021222300010203040506070809
Temperature (°F)818384848585848482807876757473727170696970727377
Dewpoint (°F)717272727272727272727271717070706969696869707172
Heat Index (°F)8588909091919090878478767577
Surface Wind (mph)223566776533233222222222
Wind DirWSSSESESESESSSSSSSSWSWSWSWSWWSWSWWSW
Gust
Sky Cover (%)444038363441424321272520242322221824313641372921
Precipitation Potential (%)456665433322111111112333
Relative Humidity (%)7270676765656767727782858787909393971009797939385
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (EDT)101112131415161718192021222300010203040506070809
Temperature (°F)808384858686858583807877767574747372727172737476
Dewpoint (°F)737373737372727171717171717171717171717171727273
Heat Index (°F)848990929392919088837877767576
Surface Wind (mph)335567787766555555555666
Wind DirSSSSSSSSSSSSSSSSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)222222232325272937465456596162646568717473717069
Precipitation Potential (%)33338888881212121212121919191919194343
Relative Humidity (%)7972706765636563677479828587909093979710097979390
Rain--------------------------------SChcSChcSChcSChcSChcSChcChcChc
Thunder--------------------------------SChcSChcSChc----------

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